Manyetik Fe3O4 Nanopartiküllerinin Siyanurik Klorür Yoluyla Poli (ԑ-Kaprolakton)’ a Bağlanması, Termal ve Manyetik Özelliklerinin İncelenmesi

Yıl 2020, Cilt: 10 Sayı: 4, 2730 - 2739, 15.12.2020

Mustafa Ersin Pekdemir , Mehmet Coşkun

https://doi.org/10.21597/jist.734090

Cited By: 3

Öz

Bu çalışmada öncelikle halka açılma polimerizasyon yöntemiyle poli (ԑ-kaprolakton) (PCL) sentezlendi. Ardından PCL’ ye siyanürik klorür (CC) bileşiği bağlandı ve 3-aminopropil trimetoksisilan ile kaplanmış manyetik Fe3O4 nanopartikülleri (MNP) ile modifiye edildi. Sentezlenen polimerlerin karekterizasyonu FT-IR, 1H-NMR ve 13C-NMR ile yapıldı. Termal veriler a-MNP’ nin termal kararlılığının (PCL-g-CC) bağlandıktan sonra düştüğünü gösterdi. Titreşimli numune manyetometre (VSM) ölçümlerinden (a-MNP)’ nin doygunluk manyetizasyon değeri (Ms) 52.07 emug-1 ve [PCL-g-CC-g-(a-MNP)]’ nin Ms değerinin ise 32.08 emug-1 olduğu belirlendi. Ayrıca VSM ölçümlerinden partikül boyutları a-MNP ve [PCL-g-CC-g-(a-MNP)] için sırasıyla 15.98 nm ve 21.41 nm olarak hesaplandı. [PCL-g-CC-g-(a-MNP)] SEM görüntüsünde a-MNP’ nin polimer içerisinde hapsolduğu belirlenirken, EDX verilerinde görülen Fe atomu, yapıda MNP’ nin olduğunu kanıtlar niteliktedir.

Anahtar Kelimeler

ԑ-kaprolakton, siyanurik klorür, nanopartikül, manyetizasyon, SEM

Destekleyen Kurum

Fırat Üniversitesi

Proje Numarası

FF.15.11

Linking Magnetic Fe3O4 Nanoparticles to Poly (ԑ-caprolactone) via Cyanuric Chloride, Investigation of Thermal and Magnetic Properties

Öz

In this study, firstly poly (ԑ-caprolactone) (PCL) was synthesized by ring opening polymerization. Next, cyanuric chloride (CC) was bonded to PCL and modified by magnetic Fe3O4 nanoparticles capped with 3-aminopropyl trimethoxysilane. Synthesized polymers were characterized by FT-IR, 1H-NMR ve 13C-NMR. Thermal datas showed that thermal stability of a-MNP decreased after bonded to (PCL-g-CC). It was determined from the vibrating sample magnetometer (VSM) measurements that the saturation magnetization (Ms) of a-MNP and PCL-g-CC-g-(a-MNP)] were 52.07 emug-1 and 32.08 emug-1. Additionally, particle sizes of a-MNP and [PCL-g-CC-g-(a-MNP)] was calculated 15.98 nm and 21.41 nm, respectively. While determining that a-MNP was trapped in the polymer in the SEM image of [PCL-g-CC-g-(a-MNP)], the Fe atom seen in the EDX data proves that there was MNP in the structure.

Anahtar Kelimeler

SEM, ԑ-caprolactone, cyanuric chloride, nanoparticle, magnetization

Proje Numarası

FF.15.11

Kaynakça

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